Initial revision

diff --git a/listbox.c b/listbox.c
new file mode 100644 (file)
index 0000000..79b86d4
--- /dev/null
+++ b/listbox.c
@@ -0,0 +1,100 @@
+#include <slang/slang.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "newt.h"
+#include "newt_pr.h"
+
+struct listbox {
+    newtComponent * items, form;
+    int numItems;
+    int allocedItems;
+    int flags;
+    int curr;
+};
+
+static void listboxDraw(newtComponent co);
+static void listboxDestroy(newtComponent co);
+static struct eventResult listboxEvent(newtComponent co, struct event ev);
+
+static struct componentOps listboxOps = {
+    listboxDraw,
+    listboxEvent,
+    listboxDestroy,
+} ;
+
+newtComponent newtListbox(int left, int top, int height, int flags) {
+    newtComponent co;
+    struct listbox * li;
+
+    co = malloc(sizeof(*co));
+    li = malloc(sizeof(struct listbox));
+
+    li->allocedItems = 5;
+    li->numItems = 0; 
+    li->flags = 0;
+    li->items = malloc(li->allocedItems * sizeof(*li->items));
+    li->form = newtForm();
+
+    if (height)
+       newtFormSetHeight(li->form, height);
+
+    co->data = li;
+    co->left = left;
+    co->top = top;
+    co->height = li->form->height;
+    co->width = li->form->width;
+    co->ops = &listboxOps;
+    co->takesFocus = 1;
+
+    return co;
+}
+
+void newtListboxAddEntry(newtComponent co, char * text) {
+    struct listbox * li = co->data;
+
+    if (li->numItems == li->allocedItems) {
+       li->allocedItems += 5;
+       li->items = realloc(li->items, li->allocedItems * sizeof(*li->items));
+    }
+
+    if (li->numItems)
+       li->items[li->numItems] = newtListitem(co->left, 
+                                              li->numItems + co->top, 
+                                              text, 0,
+                                              li->items[li->numItems - 1]);
+    else
+       li->items[li->numItems] = newtListitem(co->left, 
+                                              li->numItems + co->top, 
+                                              text, 0, NULL);
+
+    /*newtLabelColor(li->items[li->numItems], COLORSET_ACTLISTBOX,
+                       COLORSET_LISTBOX);*/
+
+    newtFormAddComponent(li->form, li->items[li->numItems]);
+    li->numItems++;
+
+    co->height = li->form->height;
+    co->width = li->form->width;
+}
+
+static void listboxDraw(newtComponent co) {
+    struct listbox * li = co->data;
+
+    li->form->ops->draw(li->form);
+}
+
+static struct eventResult listboxEvent(newtComponent co, struct event ev) {
+    struct listbox * li = co->data;
+
+    return li->form->ops->event(li->form, ev);
+}
+
+static void listboxDestroy(newtComponent co) {
+    struct listbox * li = co->data;
+
+    li->form->ops->destroy(li->form);
+    free(li->items);
+    free(li);
+    free(co);
+}